Ultraviolet absorber of solid-state super space-time treatment system

摘要

The Invention relates to a New Solid transdermal Therapeutic system with UV absorber designed especially for Pharmaceutical active substances is sensitive to light.Transdermal Therapeutic System (STT) UV STABLE 1 comprises a Base Layer, at least a Matrix that contains active substance 2 and a removable Protective Film 3, which can be optionally inserted an Adhesive Layer 4 and a Separation layer between the Base Layer 1 5 And the Matrix contains active substance 2.In The Base Layer 1 or matrix that contains the active substance in the adhesive Layer 2 or 4 may include UV Absorbers of the hidroxifeniltriazinas. The STT of the invention has a high stability with a low concentration of UV Absorbers. This can avoid or reduce the risk of a possible skin irritation.